Geometry and Trigonometry

Volumes, perimeters, angles, identities, triangles, sin, cos, tan.

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  1. nycmathguy

    Find Area of Shaded Circle

    nycmathguy, Sep 15, 2021
    Replies:
    2
    Views:
    363
    nycmathguy
    Sep 16, 2021
  2. nycmathguy

    Find Angle Beta

    nycmathguy, Sep 15, 2021
    Replies:
    2
    Views:
    314
    nycmathguy
    Sep 16, 2021
  3. nycmathguy

    Find Area of Blue Shaded Region

    nycmathguy, Sep 15, 2021
    Replies:
    0
    Views:
    462
    nycmathguy
    Sep 15, 2021
  4. Doctor T

    Are the 2 Images Compatible?

    Doctor T, Sep 12, 2021
    Replies:
    0
    Views:
    223
    Doctor T
    Sep 12, 2021
  5. nico7s

    Please Explain: Find the inaccuracy in simple vector equation to find out if laser hits an object.

    nico7s, Aug 24, 2021
    Replies:
    1
    Views:
    365
    nycmathguy
    Aug 28, 2021
  6. nycmathguy

    Law of Tangent

    nycmathguy, Jul 31, 2021
    Replies:
    4
    Views:
    426
    nycmathguy
    Aug 1, 2021
  7. nycmathguy

    Size of A Dot

    nycmathguy, Jul 31, 2021
    Replies:
    4
    Views:
    510
    nycmathguy
    Aug 1, 2021
  8. nycmathguy

    Rational Trigonometry vs Regular Trigonometry

    nycmathguy, Jul 31, 2021
    Replies:
    2
    Views:
    326
    nycmathguy
    Jul 31, 2021
  9. nycmathguy

    Measurement of A Line

    nycmathguy, Jul 31, 2021
    Replies:
    2
    Views:
    226
    nycmathguy
    Jul 31, 2021
  10. nycmathguy

    Euclidean Geometry vs Non-euclidean Geometry

    nycmathguy, Jul 31, 2021
    Replies:
    2
    Views:
    356
    nycmathguy
    Jul 31, 2021
  11. alfie

    Is it possible to calculate area on a topographical map without a scale?

    alfie, Jul 18, 2021
    Replies:
    2
    Views:
    338
    alfie
    Jul 19, 2021
  12. nycmathguy

    Relationship Between Geometry & Trigonometry

    nycmathguy, Jul 13, 2021
    Replies:
    2
    Views:
    301
    nycmathguy
    Jul 14, 2021
  13. DropDeadFred

    The Sine Law question

    DropDeadFred, Nov 4, 2017
    Replies:
    6
    Views:
    1,091
    nycmathguy
    Jul 8, 2021
  14. OlafK

    Calculation of the center of several geographical points.

    OlafK, Jun 21, 2021
    Replies:
    0
    Views:
    296
    OlafK
    Jun 21, 2021
  15. hshi2021

    Calculation Help

    hshi2021, May 26, 2021
    Replies:
    0
    Views:
    410
    hshi2021
    May 26, 2021
  16. melman

    Math help

    melman, Apr 20, 2020
    Replies:
    1
    Views:
    1,031
    hendry1
    Apr 21, 2020
  17. cpwang

    How To Define A Flat Plane: The fruit of reinventing wheels when studying Euclidean geometry

    cpwang, Jan 2, 2019
    Replies:
    0
    Views:
    1,374
    cpwang
    Jan 2, 2019
  18. redapplesonly

    Using arctan to find an angle... in an unusual coordinate system...

    redapplesonly, Jan 12, 2018
    Replies:
    0
    Views:
    1,214
    redapplesonly
    Jan 12, 2018
  19. Xarzu

    A Simple Trigonometry question about Cosines

    Xarzu, Sep 26, 2017
    Replies:
    0
    Views:
    1,063
    Xarzu
    Sep 26, 2017
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